Finish 30 Bonus Objectives.

Achievement Guide for Mission Possible

Achievement won on 11 May 13TA Score for this game: 941
Posted on 29 May 13 at 16:36, Edited on 29 May 13 at 16:39

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Each level has three bonus objectives you can complete to earn extra stars. You can only earn one objective per run. The first objective awards 2 stars, the second gives you 3, and the third gives you 4. The objective cycle then starts over once you earn the third. With 5 levels per world this gives you 15 possible objectives per world so with 4 worlds there are a total of 60 unique objectives. However, this achievement does not care if it's unique or not.

For this achievement you can repeat objectives but you will likely not need to do this too many times if you progress through the levels as normal and try to earn as many stars as you go. You will need to replay levels in order to earn enough stars to keep purchasing new levels and this gives you a chance to earn more bonus objectives at the same time.